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$151+ Cheap flights from Medford (MFR) to Ontario

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/29. Fares are subject to change and may not be available on all flights or dates of travel.
MFR — YYZ
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap flight deals from Medford to Ontario

Keep the following information in mind while searching for Medford to Ontario flight deals. Data was last updated September 16, 2025.

Round-trip from

$349
(Kiwi.com)

One-way from

$151
(United Airlines)
From Medford to Ontario
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One-way flight from Medford to Ontario
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Find flight deals from Medford to Ontario

Cheapest flights from Medford to Ontario
Explore the most affordable flight options available from Medford to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/175:12 pmMFR - YYZ
1 stop10h 08mMultiple Airlines
Wed 11/1210:00 amYYZ - MFR
2 stops30h 58mMultiple Airlines
Deal found 9/14$349
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2210:58 amMFR - YYZ
2 stops23h 40mMultiple Airlines
Sun 10/57:45 pmYYZ - MFR
1 stop18h 40mMultiple Airlines
Deal found 9/14$357
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/156:00 amMFR - YYZ
1 stop13h 00mUnited Airlines
Tue 11/118:05 amYYZ - MFR
1 stop17h 25mUnited Airlines
Deal found 9/14$358
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/175:12 pmMFR - YYZ
1 stop10h 08mMultiple Airlines
Fri 11/1410:30 amYYZ - MFR
2 stops16h 29mMultiple Airlines
Deal found 9/14$359
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/264:52 pmMFR - YYZ
2 stops20h 46mMultiple Airlines
Sun 10/57:45 pmYYZ - MFR
1 stop18h 40mMultiple Airlines
Deal found 9/14$361
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/146:37 pmMFR - YYZ
2 stops12h 27mUnited Airlines
Tue 11/1110:45 amYYZ - MFR
1 stop14h 45mUnited Airlines
Deal found 9/14$368
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/156:00 amMFR - YYZ
1 stop13h 00mUnited Airlines
Mon 11/178:05 amYYZ - MFR
1 stop12h 47mUnited Airlines
Deal found 9/14$369
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/146:37 pmMFR - YYZ
2 stops12h 27mUnited Airlines
Sun 11/168:30 amYYZ - MFR
1 stop15h 44mUnited Airlines
Deal found 9/14$378
This Delta deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/156:00 amMFR - YUL
2 stops14h 48mDelta
Tue 11/117:00 amYUL - MFR
2 stops12h 43mDelta
Deal found 9/14$505
This Delta deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/166:00 amMFR - YUL
2 stops14h 48mDelta
Tue 11/114:45 pmYUL - MFR
2 stops21h 16mDelta
Deal found 9/14$525
This Delta deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/145:24 pmMFR - YUL
2 stops15h 07mDelta
Tue 11/114:45 pmYUL - MFR
2 stops21h 16mDelta
Deal found 9/14$540
This Delta deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/156:00 amMFR - YUL
2 stops14h 48mDelta
Sat 11/157:10 amYUL - MFR
2 stops12h 33mDelta
Deal found 9/14$545

Cheapflights Fare Finder

 
Customize your flight search to find flights from Medford to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 16, 2025.
Use the filters below to find and compare flights from Medford to Ontario that are best for you.

Fly from

Medford

Fly to

Ontario

Route

Depart

Return

Price

MedfordToronto

MFR - YYZ

MFRYYZ

Medford

Wed 10/15

6:00 am-10:00 pm

1 stop13h 00m

Toronto Pearson Intl

Tue 11/11

8:05 am-10:30 pm

1 stop17h 25m

$358

MedfordToronto

MFR - YYZ

MFRYYZ

Medford

Wed 10/15

6:00 am-10:00 pm

1 stop13h 00m

Toronto Pearson Intl

Wed 11/12

4:10 pm-9:14 pm

1 stop8h 04m

$358

MedfordToronto

MFR - YYZ

MFRYYZ

Medford

Mon 10/13

6:00 am-10:00 pm

1 stop13h 00m

Toronto Pearson Intl

Tue 11/11

6:30 am-10:30 pm

1 stop19h 00m

$369

MedfordToronto

MFR - YYZ

MFRYYZ

Medford

Wed 10/8

6:00 am-10:00 pm

1 stop13h 00m

Toronto Pearson Intl

Sat 10/18

6:30 am-12:07 pm

1 stop8h 37m

$369

MedfordToronto

MFR - YYZ

MFRYYZ

Medford

Wed 10/15

6:00 am-10:00 pm

1 stop13h 00m

Toronto Pearson Intl

Sun 11/16

8:05 am-10:30 pm

1 stop17h 25m

$369

MedfordToronto

MFR - YYZ

MFRYYZ

Medford

Sat 10/18

5:00 am-10:48 pm

1 stop14h 48m

Toronto Pearson Intl

Tue 11/11

10:45 am-10:30 pm

1 stop14h 45m

$369

MedfordToronto

MFR - YYZ

MFRYYZ

Medford

Wed 10/15

6:00 am-10:00 pm

1 stop13h 00m

Toronto Pearson Intl

Fri 11/14

4:10 pm-9:14 pm

1 stop8h 04m

$369

MedfordToronto

MFR - YYZ

MFRYYZ

Medford

Tue 10/14

6:37 pm-9:31 am

2 stops11h 54m

Toronto Pearson Intl

Tue 11/11

8:00 am-10:30 pm

2 stops17h 30m

$373

MedfordToronto

MFR - YYZ

MFRYYZ

Medford

Sat 10/18

1:09 pm-10:48 pm

1 stop6h 39m

Toronto Pearson Intl

Sun 11/16

8:30 am-9:14 pm

1 stop15h 44m

$379

MedfordToronto

MFR - YYZ

MFRYYZ

Medford

Sat 10/18

5:00 am-6:35 pm

1 stop10h 35m

Toronto Pearson Intl

Thu 11/13

4:10 pm-9:14 pm

1 stop8h 04m

$379

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 26 results
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Best time to book a flight from Medford to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Medford with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Medford to Ontario
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated September 16, 2025.
Get a feel of what it's like to fly with United Airlines from Medford to Ontario by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,929 reviews

Comfort

7.3

Entertainment

7.1

Food

6.6

Overall

7.4

Crew

8.1

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,929 reviews
United Airlines
7.4
Good
8,929 reviews

Comfort

7.3

Entertainment

7.1

Food

6.6

Overall

7.4

Crew

8.1

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

Find useful and relevant information for your journey from Medford to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Medford to Ontario?

    Medford (MFR) is the airport you will fly out of if you book a flight from Medford to Ontario. It is only a 3.0 mi journey to Medford (MFR) from Medford’s city center.

  • How long is the flight from Medford to Region of Ontario?

    For as low as $358, United Airlines can have you in Region of Ontario from Medford in 13h. There are 2160 mi between Medford and Region of Ontario. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Medford to Region of Ontario one-way?

    For one-way options, check prices for United Airlines. According to our data, you can fly for as low as $151. Users have also found prices from $156 and $770 on Delta and WestJet, respectively.

  • What are the most popular routes from Medford to Region of Ontario?

    The most popular flight routes from Medford to Region of Ontario are Medford - Toronto Pearson Intl, Medford - Montreal Pierre Elliott Trudeau Intl and Medford - Hamilton.

  • Can I find deals for flights from Medford to Ontario that include hotel bookings?

    Yes. In addition to deals on Medford to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Medford to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Medford to Ontario.

  • Can I find deals for business class flights from Medford to Ontario?

    Yes. Cheapflights offers flight deals from Medford to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Medford to Region of Ontario?

    Currently, January is the cheapest month in which you can book a flight from Medford to Region of Ontario (average of $243). Flying from Medford to Region of Ontario in August is currently the most expensive (average of $348). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Medford to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Medford to Ontario

Discover the top airline that operate flights from Medford to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$336Average$471FlexibilityNo cancel feeOn-time69%

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